即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.

How to access and change the privacy settings in Windows 10 and 11.

The new Microsoft Edge helps you browse, search, shop online, and more. Like all modern browsers, Microsoft Edge lets you collect and store specific data on your device, like cookies, and lets you send information to us, like browsing history, to make the experience as rich, fast, and personal as possible.

Learn how to troubleshoot and fix Bluetooth audio connection issues in Windows 10 and 11.

Get troubleshooting advice and see a list of options available for starting Windows in diagnostic modes such as safe mode.

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

If your Windows 10 PC is running slowly, there are some solutions you can try to help make it run better.

Teams in Microsoft Teams are collections of people, content, and tools surrounding different projects and jobs.